02-08-2016
Mathematics

contestada

which of the following is a polynomial with roots 4, -5 and 7?

Respuesta :

nobillionaireNobley nobillionaireNobley

04-08-2016

Required polynomial is (x - 4)(x + 5)(x - 7) = (x - 4)(x^2 - 2x - 35) = x(x^2 - 2x - 35) - 4(x^2 - 2x - 35) = (x^3 - 2x^2 - 35x) - (4x^2 - 8x - 140) = x^3 - 2x^2 - 35x - 4x^2 + 8x + 140 = x^3 - 6x^2 - 27x + 140

Answer Link

Otras preguntas

Which is the first step in the dissolving process? A:The solute becomes like the solvent. B:The solute molecules are carried into the solution. C:The solvent

What type of tissue contains cells that send and receive electrochemical signals?

The biggest reason the United States was criticized for sending military aid to Central America in the 1980s was

Five cards from a standard deck of 52 cards is dealt. find the probability that the card hand contains exactly 2 red cards and 3 black cards. g

Former slaves who were released from slavery were called:

In the United States, federal taxes are due on which day? February 28th, April 15th, July 4th, October 1st

The enrollment at East Valley High School over a six-year period is displayed in the scatterplot. Student Enrollment at East Valley High School (1st picture)

how to prove a parallelogram is a rectangle

6x – 7y = 16 2x + 7y = 24 (2, 1) (2, 0) (5, 2) (4, –5)

Fill the blanks with an expression that means "I like." _____ ________ hablar.